/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.skatiger.jrove.spring.form.component;

import org.skatiger.jrove.JroveException;
import org.skatiger.jrove.spring.form.renderer.SelectedValueComparator;
import org.springframework.web.servlet.support.BindStatus;

public class Option extends FormElement {
    public static final String VALUE_ATTRIBUTE = "value";

    private BindStatus _bindStatus;
    private Object value;

    @Override
    public BindStatus getBindStatus() {
        if (_bindStatus == null) {
            Select select = (Select) findParentComponent(Select.class);
            if (select == null) {
                throw new JroveException(
                        "component option must as select's child element");
            }
            _bindStatus = select.getBindStatus();
        }
        return _bindStatus;
    }

    public void setValue(Object value) {
        this.value = value;
    }

    public Object getValue() {
        return getPropertyValue("value", value);
    }

    public boolean isSelected() {
        return SelectedValueComparator.isSelected(getBindStatus(), getValue());
    }
}
